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Finding the Fourth Proportional to 66,953.39, 100,427.45 and 22,579.16

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Solution

The fourth proportional to 66,953.39, 100,427.45 and 22,579.16 is: 33,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.39 : 100,427.45 = 22,579.16 : x
  2. Step 2: Convert to fraction form
    66,953.39/100,427.45 = 22,579.16/x
  3. Step 3: Cross multiply
    66,953.39x = 100,427.45 × 22,579.16
  4. Step 4: Simplify right side
    66,953.39x = 2,267,566,846.91
  5. Step 5: Solve for x
    x = 2,267,566,846.91/66,953.39
  6. Step 6: Final answer
    x = 33,867.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.